/* PSPP - a program for statistical analysis.
- Copyright (C) 1997-9, 2000, 2006 Free Software Foundation, Inc.
+ Copyright (C) 1997-9, 2000, 2006, 2010, 2011, 2012 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
/* Display format types. */
#include <stdbool.h>
-#include <libpspp/str.h>
-#include <data/val-type.h>
+#include "data/val-type.h"
+#include "libpspp/str.h"
+
+/* How a format is going to be used. */
+enum fmt_use
+ {
+ FMT_FOR_INPUT, /* For parsing data input, e.g. data_in(). */
+ FMT_FOR_OUTPUT /* For formatting data output, e.g. data_out(). */
+ };
/* Format type categories.
{
enum fmt_type type; /* One of FMT_*. */
int w; /* Width. */
- int d; /* Number of implied decimal places. */
+ int d; /* Number of decimal places. */
};
/* Maximum width of any numeric format. */
#define FMT_MAX_NUMERIC_WIDTH 40
-/* A numeric output style. */
-struct fmt_number_style
- {
- struct substring neg_prefix; /* Negative prefix. */
- struct substring prefix; /* Prefix. */
- struct substring suffix; /* Suffix. */
- struct substring neg_suffix; /* Negative suffix. */
- char decimal; /* Decimal point: '.' or ','. */
- char grouping; /* Grouping character: ',', '.', or 0. */
- };
-
-
-extern struct fmt_number_style *the_styles ;
-
-
-/* Initialization. */
-struct fmt_number_style * fmt_create (void);
-void fmt_done (struct fmt_number_style *);
-
/* Constructing formats. */
struct fmt_spec fmt_for_input (enum fmt_type, int w, int d) PURE_FUNCTION;
struct fmt_spec fmt_for_output (enum fmt_type, int w, int d) PURE_FUNCTION;
struct fmt_spec fmt_default_for_width (int width);
/* Verifying formats. */
-bool fmt_check (const struct fmt_spec *, bool for_input);
+bool fmt_check (const struct fmt_spec *, enum fmt_use);
bool fmt_check_input (const struct fmt_spec *);
bool fmt_check_output (const struct fmt_spec *);
bool fmt_check_type_compat (const struct fmt_spec *, enum val_type);
int fmt_var_width (const struct fmt_spec *);
char *fmt_to_string (const struct fmt_spec *, char s[FMT_STRING_LEN_MAX + 1]);
bool fmt_equal (const struct fmt_spec *, const struct fmt_spec *);
-void fmt_resize (struct fmt_spec *, int new_width);
+bool fmt_resize (struct fmt_spec *, int new_width);
-void fmt_fix (struct fmt_spec *, bool for_input);
+void fmt_fix (struct fmt_spec *, enum fmt_use);
void fmt_fix_input (struct fmt_spec *);
void fmt_fix_output (struct fmt_spec *);
+void fmt_change_width (struct fmt_spec *, int width, enum fmt_use);
+void fmt_change_decimals (struct fmt_spec *, int decimals, enum fmt_use);
+
/* Format types. */
+bool is_fmt_type (enum fmt_type);
+
const char *fmt_name (enum fmt_type) PURE_FUNCTION;
bool fmt_from_name (const char *name, enum fmt_type *);
bool fmt_takes_decimals (enum fmt_type) PURE_FUNCTION;
-int fmt_min_width (enum fmt_type, bool for_input) PURE_FUNCTION;
-int fmt_max_width (enum fmt_type, bool for_input) PURE_FUNCTION;
-int fmt_max_decimals (enum fmt_type, int width, bool for_input) PURE_FUNCTION;
+int fmt_min_width (enum fmt_type, enum fmt_use) PURE_FUNCTION;
+int fmt_max_width (enum fmt_type, enum fmt_use) PURE_FUNCTION;
+int fmt_max_decimals (enum fmt_type, int width, enum fmt_use) PURE_FUNCTION;
int fmt_min_input_width (enum fmt_type) PURE_FUNCTION;
int fmt_max_input_width (enum fmt_type) PURE_FUNCTION;
int fmt_max_input_decimals (enum fmt_type, int width) PURE_FUNCTION;
int fmt_to_io (enum fmt_type) PURE_FUNCTION;
bool fmt_from_io (int io, enum fmt_type *);
-const char *fmt_date_template (enum fmt_type) PURE_FUNCTION;
+const char *fmt_date_template (enum fmt_type, int width) PURE_FUNCTION;
+const char *fmt_gui_name (enum fmt_type);
\f
-/* Maximum length of prefix or suffix string in
- struct fmt_number_style. */
-#define FMT_STYLE_AFFIX_MAX 16
-
+/* Format settings.
+
+ A fmt_settings is really just a collection of one "struct fmt_number_style"
+ for each format type. */
+struct fmt_settings *fmt_settings_create (void);
+void fmt_settings_destroy (struct fmt_settings *);
+struct fmt_settings *fmt_settings_clone (const struct fmt_settings *);
+
+void fmt_settings_set_decimal (struct fmt_settings *, char);
+
+const struct fmt_number_style *fmt_settings_get_style (
+ const struct fmt_settings *, enum fmt_type);
+void fmt_settings_set_style (struct fmt_settings *, enum fmt_type,
+ char decimal, char grouping,
+ const char *neg_prefix, const char *prefix,
+ const char *suffix, const char *neg_suffix);
+\f
+/* A prefix or suffix for a numeric output format. */
+struct fmt_affix
+ {
+ char *s; /* String contents of affix, in UTF-8. */
+ int width; /* Display width in columns (see wcwidth()). */
+ };
-struct fmt_number_style *fmt_number_style_create (void);
-void fmt_number_style_destroy (struct fmt_number_style *);
+/* A numeric output style. */
+struct fmt_number_style
+ {
+ struct fmt_affix neg_prefix; /* Negative prefix. */
+ struct fmt_affix prefix; /* Prefix. */
+ struct fmt_affix suffix; /* Suffix. */
+ struct fmt_affix neg_suffix; /* Negative suffix. */
+ char decimal; /* Decimal point: '.' or ','. */
+ char grouping; /* Grouping character: ',', '.', or 0. */
+
+ /* A fmt_affix may require more bytes than its display width; for example,
+ U+00A5 (¥) is 3 bytes in UTF-8 but occupies only one display column.
+ This member is the sum of the number of bytes required by all of the
+ fmt_affix members in this struct, minus their display widths. Thus, it
+ can be used to size memory allocations: for example, the formatted
+ result of CCA20.5 requires no more than (20 + extra_bytes) bytes in
+ UTF-8. */
+ int extra_bytes;
+ };
int fmt_affix_width (const struct fmt_number_style *);
int fmt_neg_affix_width (const struct fmt_number_style *);
-bool is_fmt_type (enum fmt_type);
-
-const struct fmt_number_style *fmt_get_style (const struct fmt_number_style *, enum fmt_type);
-
-void fmt_check_style (const struct fmt_number_style *style);
-
-int fmt_grouping_char (const struct fmt_number_style *, enum fmt_type);
-
-void fmt_set_decimal (struct fmt_number_style *, char);
+extern const struct fmt_spec F_8_0 ;
#endif /* data/format.h */